1. IETF 90 Toronto Yang Data Model for OSPF Protocol draft-yeung-netmod-ospf-01 and beyond Derek Yeung Derek Yeung (myeung@cisco.com) Dean Bogdanovic (deanb@juniper.net) Jeffrey Zhang (zzhang@juniper.net) Kiran Agrahara Sreenivasa (kkoushik@Brocade.com) YingZhen Qu (yiqu@cisco.com)

2. History  Changes between netmod-*-00 and netmod-*-01  Align with draft-ietf-netmod-routing-cfg-13.txt  OSPF WG ospf-yang-00 is in progress  Multiple vendors involved  Dependency on update requested on draft-ietf- netmode-routing-cfg-15.txt  LR vs VRF  Default instance  MT support

3. Goals  Define OSPF data model that work for multiple vendors  Support various configuration options for different vendors  Support OSPFv2 & OSPFv3 in one model  Support optional features  augment  feature

4. Configuration Style Protocol centric router ospf 1 vrf red … router ospf 2 vrf blue … VRF centric vrf red router ospf 1 … vrf blue router ospf 2 …

5. Inheritance router ospfv3 201 area 1 stub address-family ipv4 unicast router-id 4.1.1.4 address-family ipv6 unicast router-id 4.1.1.6 address-family ipv4 unicast vrf red router-id 4.1.2.4

6. Data Model OSPFv2 Config +--rw routing +--rw routing-instance [name] +--rw routing-protocols +--rw routing-protocol [name] +--rw ospf:ospf. +--rw ospf:ospf-afs +--rw ospf:ospf-af [vrf af] +--rw ospf:ospf-areas. +--rw ospf:ospf-area [area-id]. +--rw ospf:ospf-interfaces. +--rw ospf:ospf-interface [interface].

7. Data Model OSPFv2 Oper +--ro routing-state +--ro routing-instance [name] +--ro routing-protocols +--ro routing-protocol [name] +--ro ospf:ospf +--ro ospf:ospf-afs +--ro ospf:ospf-af [vrf af] +--ro ospf:ospf-neighbors +--ro ospf:ospf-neighbor [area-id interface neighbor-id]. +--ro ospf:ospf-interfaces +--ro ospf:ospf-interface [area-id interface]. +--ro ospf:ospf-areas +--ro ospf:ospf-area [area-id]. +--ro ospf-databases +--ro ospf:area-scope-lsas [area-id lsa-type]. +--ro ospf:as-scope-lsas [lsa-type].

8. Data Model OSPFv3 Config +--rw routing +--rw routing-instance [name] +--rw routing-protocols +--rw routing-protocol [name] +--rw ospf:ospf. +--rw ospf:ospf-afs +--rw ospf:ospf-af [vrf af]. +--rw ospf:ospf-areas. +--rw ospf:ospf-area [area-id]. +--rw ospf:ospf-interfaces. +--rw ospf:ospf-interface [interface].

9. Data Model OSPFv3 Oper +--ro routing-state +--ro routing-instance [name] +--ro routing-protocols +--ro routing-protocol [name] +--ro ospf:ospf +--rw ospf:ospf-afs +--rw ospf:ospf-af [vrf af] +--ro ospf:ospf-neighbors +--ro ospf:ospf-neighbor [area-id interface neighbor-id]. +--ro ospf:ospf-interfaces +--ro ospf:ospf-interface [area-id interface]. +--ro ospf:ospf-areas +--ro ospf:ospf-area [area-id]. +--ro ospf-databases +--ro ospf:link-scope-lsas [area-id interface lsa-type]. +--ro ospf:area-scope-lsas [area-id lsa-type]. +--ro ospf:as-scope-lsas [lsa-type].

10. Next steps  Submit -00 to OSPF WG  Collaborate with OSPF WG  Is the WG interested to adopt this work as WG doc?